package com.heima.admin.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.admin.mapper.AdUserMapper;
import com.heima.admin.service.AdUserService;
import com.heima.common.exception.CustException;
import com.heima.model.admin.dtos.AdUserDTO;
import com.heima.model.admin.pojos.AdUser;
import com.heima.model.admin.vos.AdUserVO;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.Date;
import java.util.HashMap;
import java.util.Map;

@Service
public class AdUserServiceImpl extends ServiceImpl<AdUserMapper, AdUser> implements AdUserService {
    @Override
    public ResponseResult login(AdUserDTO adUserDTO) {
        //检验参数
        if (StringUtils.isBlank(adUserDTO.getName()) || StringUtils.isBlank(adUserDTO.getPassword())) {
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"用户名或密码不能为空");
        }
        //判断用户信息
        LambdaQueryWrapper<AdUser> wrapper = Wrappers.<AdUser>lambdaQuery().eq(AdUser::getName, adUserDTO.getName());
        AdUser adUser = getOne(wrapper);
        if (adUser==null) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST,"用户名或密码错误");
        }
        if (adUser.getStatus().intValue()!=9) {
            CustException.cust(AppHttpCodeEnum.LOGIN_STATUS_ERROR,"用户状态异常,请联系管理员");
        }
        String password = adUser.getPassword();
        String salt = adUser.getSalt();
        //判断密码(使用加密)
        String newPwd = DigestUtils.md5DigestAsHex((adUserDTO.getPassword() + salt).getBytes());
        if (!password.equals(newPwd)) {
            CustException.cust(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR,"用户名或密码错误");
        }
        //修改登录时间
        adUser.setLoginTime(new Date());
        updateById(adUser);
        //发布token 令牌
        String token = AppJwtUtil.getToken(adUser.getId().longValue());
        AdUserVO adUserVO = new AdUserVO();
        BeanUtils.copyProperties(adUser,adUserVO);
        Map<String,Object> map = new HashMap();
        map.put("token",token);
        map.put("user",adUserVO);
        return ResponseResult.okResult(map);
    }
}
